Deprecate `componenttest/obsreporttest` check metrics functions

[sincejune]

componenttest/obsreporttest is an untested file and we're planning to replace it with metadata.AssertMetrics and metadatatest.AssertEqualMetric series functions.

• Deprecate CheckExporterTraces
• Deprecate CheckExporterMetrics
• Deprecate CheckExporterEnqueueFailedMetrics
• Deprecate CheckExporterEnqueueFailedTraces
• Deprecate CheckExporterEnqueueFailedLogs
• Deprecate CheckExporterLogs
  • [component/componenttest] Deprecate CheckExporterLogs functions #12186
• Deprecate CheckExporterMetricGauge
• Deprecate CheckReceiverTraces
• Deprecate CheckReceiverLogs
  • [component/componenttest] Deprecate CheckReceiverLogs functions #12187
• Deprecate CheckReceiverMetrics
  • Deprecate CheckReceiverMetrics functions #12120
• Deprecate CheckScraperMetrics
  • Deprecate CheckScraperMetrics functions #12105
  • Remove deprecated CheckScraperMetric functions #12183